1Institute of Mathematics University of Wroc/law pl. Grunwaldzki 2/4 50-384 Wroc/law, Poland 2Institute of Mathematics University of Wroc/law pl. Grunwaldzki 2/4 50-384 Wroc/law, Poland and Institute of Mathematics and Computer Science University of Opole Oleska 48 45-052 Opole, Poland
Studia Mathematica, Tome 186 (2008) no. 1, pp. 77-86
Radial convolution operators on free groups with nonnegative kernel of weak type $(2,2)$ and of restricted weak type $(2,2)$ are characterized. Estimates of weak type $(p,p)$ are obtained as well for $1 p 2.$
Keywords:
radial convolution operators groups nonnegative kernel weak type restricted weak type characterized estimates weak type obtained
Affiliations des auteurs :
Tadeusz Pytlik 
1
;
Ryszard Szwarc 
2
1
Institute of Mathematics University of Wroc/law pl. Grunwaldzki 2/4 50-384 Wroc/law, Poland
2
Institute of Mathematics University of Wroc/law pl. Grunwaldzki 2/4 50-384 Wroc/law, Poland and Institute of Mathematics and Computer Science University of Opole Oleska 48 45-052 Opole, Poland
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Tadeusz Pytlik; Ryszard Szwarc. Weak type radial convolution operators on free groups. Studia Mathematica, Tome 186 (2008) no. 1, pp. 77-86. doi: 10.4064/sm186-1-7